--- mfhdf/test/tdatainfo.c.orig	2020-03-04 02:40:50.000000000 +0900
+++ mfhdf/test/tdatainfo.c	2020-11-22 06:18:51.000000000 +0900
@@ -24,6 +24,7 @@
  ****************************************************************************/
 
 #include "mfhdf.h"
+HDFLIBAPI intn SDgetdatainfo (int32, int32*, uintn, uintn, int32*, int32*);
 
 #ifdef H4_HAVE_SYS_TYPES_H
 #include <sys/types.h>